FOLDER_DOTNET_11

InstallShield 2015 ยป InstallScript Language Reference

The FOLDER_DOTNET_11 system variable stores the fully qualified path of the folder where the Microsoft .NET Framework 1.1 redistributable files are located:

<WINDIR>\Microsoft.NET\Framework\v1.1.4322\

This system variable is read-only. If you attempt to assign a value to it, a compiler error results.